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This guide shows you how to configure the Gmail connector for WRITER Agent. After setting up this connector, WRITER Agent can perform operations like listing email threads, retrieving messages, searching by filters and labels, drafting emails, and sending messages.

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Set up the Gmail connector

Configure the Gmail connector in AI Studio under Connectors & Tools.
The Gmail connector only supports organization-managed OAuth. You must create your own Gmail OAuth application. Writer-managed OAuth is not available for Gmail.
Google OAuth credentials expire after 6 months of inactivity. If the Gmail connector is not used for 6 months, users will need to re-authenticate.

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Create a Google OAuth application

Create a new Google OAuth application in the Google Cloud Console:
  1. Navigate to the Google Cloud Console
  2. Create a new project or select an existing project
  3. Enable the Gmail API for your project
  4. Configure the OAuth consent screen with your application details
  5. Create OAuth 2.0 credentials (Web application type)
  6. Add the Writer redirect URI to authorized redirect URIs: 
    https://app.writer.com/mcp/oauth/callback
  7. Configure the required OAuth scopes for your application
  8. Copy the client ID and client secret for use in AI Studio
For detailed instructions, see Google’s OAuth 2.0 documentation.

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Required OAuth scopes

  • https://www.googleapis.com/auth/gmail.labels - View and manage labels
  • https://www.googleapis.com/auth/gmail.send - Send email on the user’s behalf
  • https://www.googleapis.com/auth/gmail.readonly - View email messages and settings
  • https://www.googleapis.com/auth/gmail.compose - Manage drafts and compose emails
  • https://www.googleapis.com/auth/gmail.insert - Add emails to the mailbox
  • https://www.googleapis.com/auth/gmail.modify - Modify email metadata
  • https://mail.google.com/ - Full Gmail access
OAuth scopes are fixed per connector and cannot be customized based on enabled tools. When users authorize the Gmail connector, they will grant all the scopes listed above, even if you disable certain tools in AI Studio.

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Configure the connector in AI Studio

  1. Navigate to Connectors & Tools in AI Studio
  2. Select the Gmail connector
  3. Select who has access by default (all users or specific teams)
  4. Select the connection type:
    • Level: User level (each user authenticates their own account) or org level (shared connection to a single account)
  5. Select which tools to enable for your agents
  6. Enter your OAuth client ID and client secret
  7. Complete the OAuth authorization flow

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Next steps